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Product Detailed Parameters
- Description：CMC 400MA 2LN 67 OHM SMD
- Series：SDCW
- Mfr：Shenzhen Sunlord Electronics Co., Ltd.
- Package：Tape & Reel (TR)
- Filter Type：Signal Line
- Number of Lines：2
- Current Rating (Max)：400mA
- DC Resistance (DCR) (Max)：250mOhm
- Voltage Rating - DC：50V
- Voltage Rating - AC：-
- Operating Temperature：-40°C ~ 85°C
- Ratings：-
- Approval Agency：-
- Features：-
- Mounting Type：Surface Mount
- Size / Dimension：0.079" L x 0.047" W (2.00mm x 1.20mm)
- Height (Max)：0.055" (1.40mm)
- Package / Case：0805 (2012 Metric)
- Inductance @ Frequency：-
- Impedance @ Frequency：67 Ohms @ 100 MHz
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Overview
The SDCW2012-2-670TF is a two-line surface mount common mode choke manufactured by Shenzhen Sunlord Electronics Co., Ltd. It features a wound structure with a low-profile design, suitable for suppressing high-frequency common-mode noise. The component operates within a temperature range of -40°C to +85°C and has a rated voltage of 50V. Key electrical parameters include an impedance of 67Ω ±25% at 100MHz, a maximum DC resistance (DCR) of 0.25Ω, and a rated current of 400mA. The insulation resistance is specified at 10MΩ.
Feature Summary
- Utilizes a wound structure for effective high-frequency common-mode noise suppression
- Features a low-profile design optimized for space-constrained applications
Applications
- USB 2.0 interfaces in PC computers and peripheral devices
- LVDS lines in laptops and LCD displays
- Audio signal lines in digital AV equipment
Procurement Notes
Verify the specific impedance tolerance and current ratings against the official datasheet before ordering. Confirm that the package dimensions match the PCB footprint requirements. Ensure the operating temperature range aligns with the final application environment. Cross-reference the part number suffix to confirm packaging specifications such as tape and reel quantities.
Selection Notes
Select this component when designing circuits requiring common mode noise filtering for differential data lines like USB or LVDS. Consider the 400mA rated current and 0.25Ω DCR for power loss calculations. Evaluate the 67Ω impedance at 100MHz to ensure it meets the target frequency attenuation requirements without affecting signal integrity.
Part Context
This component belongs to the SDCW series of common mode chokes from Sunlord. These devices are engineered for signal line protection in consumer electronics and computer peripherals. The series offers various impedance options to suit different noise levels and signal frequencies, providing flexibility for EMI suppression in compact electronic designs.
Replacement Considerations
Check for direct substitutes with identical impedance (67Ω @ 100MHz), current rating (400mA), and package size (2x1.2mm). Verify compatibility with existing PCB footprints and thermal management requirements. Ensure alternative parts meet the same voltage and temperature specifications.
